Analysis
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max time kernel
71s -
max time network
145s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
22-09-2021 21:07
Static task
static1
Behavioral task
behavioral1
Sample
????????????Mp4.cmd.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
????????????Mp4.cmd.exe
Resource
win10v20210408
General
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Target
????????????Mp4.cmd.exe
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Size
1.8MB
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MD5
61a6445842bfd501f8e8c63a18e899cd
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SHA1
5c2c9e20f5607534128265bbbd03794be01e9e1d
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SHA256
ec694d5b05f7aa43e3e701e40686039a38d6827e5e944ba73de07f31da18d608
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SHA512
96a7f74e40b391c3a06a3da4a4b026862f13493f4307073e24e426046015db5b993de536c709f014c69474117442614dc53ec70efe039520723801374dedb8d9
Malware Config
Signatures
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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Chinese Botnet Payload 1 IoCs
resource yara_rule behavioral2/memory/3628-114-0x0000000010000000-0x0000000010018000-memory.dmp unk_chinese_botnet -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gmoksas.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\____________Mp4.cmd.exe" ____________Mp4.cmd.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\T: ____________Mp4.cmd.exe File opened (read-only) \??\W: ____________Mp4.cmd.exe File opened (read-only) \??\B: ____________Mp4.cmd.exe File opened (read-only) \??\K: ____________Mp4.cmd.exe File opened (read-only) \??\M: ____________Mp4.cmd.exe File opened (read-only) \??\Q: ____________Mp4.cmd.exe File opened (read-only) \??\S: ____________Mp4.cmd.exe File opened (read-only) \??\Y: ____________Mp4.cmd.exe File opened (read-only) \??\G: ____________Mp4.cmd.exe File opened (read-only) \??\J: ____________Mp4.cmd.exe File opened (read-only) \??\O: ____________Mp4.cmd.exe File opened (read-only) \??\R: ____________Mp4.cmd.exe File opened (read-only) \??\X: ____________Mp4.cmd.exe File opened (read-only) \??\E: ____________Mp4.cmd.exe File opened (read-only) \??\U: ____________Mp4.cmd.exe File opened (read-only) \??\V: ____________Mp4.cmd.exe File opened (read-only) \??\P: ____________Mp4.cmd.exe File opened (read-only) \??\Z: ____________Mp4.cmd.exe File opened (read-only) \??\F: ____________Mp4.cmd.exe File opened (read-only) \??\H: ____________Mp4.cmd.exe File opened (read-only) \??\I: ____________Mp4.cmd.exe File opened (read-only) \??\L: ____________Mp4.cmd.exe File opened (read-only) \??\N: ____________Mp4.cmd.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 ____________Mp4.cmd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz ____________Mp4.cmd.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3628 ____________Mp4.cmd.exe 3628 ____________Mp4.cmd.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3628 ____________Mp4.cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\____________Mp4.cmd.exe"C:\Users\Admin\AppData\Local\Temp\____________Mp4.cmd.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:3628